Use modifed URLRequest API in net/url_request context builder, data job fuzzer and file dir test

net/url_request/url_request_context_builder.cc

Index: net/url_request/url_request_context_builder.cc
diff --git a/net/url_request/url_request_context_builder.cc b/net/url_request/url_request_context_builder.cc
index 4da1a7324a21cc73b0ce05a8c2e50427a1a99451..6ab0cba76704050632bbeaa6f155f7d9fe3fe435 100644
--- a/net/url_request/url_request_context_builder.cc
+++ b/net/url_request/url_request_context_builder.cc
@@ -94,9 +94,9 @@ class BasicNetworkDelegate : public NetworkDelegateImpl {
   void OnBeforeRedirect(URLRequest* request,
                         const GURL& new_location) override {}
 
-  void OnResponseStarted(URLRequest* request) override {}
+  void OnResponseStarted(URLRequest* request, int net_error) override {}
 
-  void OnCompleted(URLRequest* request, bool started) override {}
+  void OnCompleted(URLRequest* request, bool started, int net_error) override {}
 
   void OnURLRequestDestroyed(URLRequest* request) override {}